16456493585 has 16 divisors (see below), whose sum is σ = 22631788800. Its totient is φ = 11253011136.

The previous prime is 16456493549. The next prime is 16456493591. The reversal of 16456493585 is 58539465461.

It is a cyclic number.

It is not a de Polignac number, because 16456493585 - 2¹⁰ = 16456492561 is a prime.

It is a super-2 number, since 2×16456493585² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16456493585.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642290 + ... + 667419.

It is an arithmetic number, because the mean of its divisors is an integer number (1414486800).

Almost surely, 2^16456493585 is an apocalyptic number.

It is an amenable number.

16456493585 is a deficient number, since it is larger than the sum of its proper divisors (6175295215).

16456493585 is a wasteful number, since it uses less digits than its factorization.

16456493585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310080.

The product of its digits is 15552000, while the sum is 56.

The spelling of 16456493585 in words is "sixteen billion, four hundred fifty-six million, four hundred ninety-three thousand, five hundred eighty-five".